<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="种类名称" prop="typeName">
        <el-input
          v-model="queryParams.typeName"
          placeholder="请输入信息种类名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="typesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="供求信息种类编号" align="center" prop="typeId" />
      <el-table-column label="供求信息种类名称" align="center" prop="typeName" />
      <el-table-column label="类型名称" align="center" prop="categoryName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
<div align=center style="margin-top:20px">
<el-pagination
text-align:center
  background
  layout="prev, pager, next"
  :total=total
  :page-size=queryParams.pageSize
  :current-page=this.queryParams.pageNum
  @current-change="handleCurrentChange"
    >
</el-pagination>
</div>

    <!-- 添加或修改供求信息二级种类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="种类名称" prop="typeName">
          <el-input v-model="form.typeName" placeholder="请输入供求信息种类名称" />
        </el-form-item>
        <el-form-item label="父类id" prop="categoryId">
          <!-- <el-input v-model="form.categoryId" placeholder="请输入父类id" /> -->
            <el-select v-model="form.categoryId"  placeholder="请选择">
              <el-option
                v-for="item in options"
                :key="item.categoryId"
                :label="item.categoryName"
                :value="item.categoryId">
              </el-option>
            </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
  
</template>

<script>
import { listTypes, getTypes, delTypes, addTypes, updateTypes } from "@/api/types";
import { listCategorys } from "@/api/categorys";

export default {
  name: "Types",
  data() {
    return {
    // 总条数   
      total: 0,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 供求信息二级种类表格数据
      typesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 5,
        typeName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      //父类集合
      options:[],
      optionsName:""
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询供求信息二级种类列表 */
    getList() {
      this.loading = true;
      listTypes(this.queryParams).then(response => {
        this.typesList = response.content.data.list;
        this.total = response.content.data.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        typeId: null,
        typeName: null,
        categoryId: null,
        categoryName: null,
        isDelete: null
      };
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
      //初始化表单
    resetForm(formName) {
    //  this.queryParams.adminName=null;
    //  this.queryParams.adminAccount=null;
    //  this.queryParams.adminPhone=null;
    //   this.$nextTick(() => {
        this.$refs[formName].resetFields();
    //   });
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.typeId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
    listCategorys(null).then(res=>{
     this.options= res.content.data.list;
    })
      this.title = "添加供求信息二级种类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const typeId = row.typeId || this.ids
      getTypes(typeId).then(response => {

      listCategorys(typeId).then(res=>{
     this.options= res.content.data.list;
    })
        this.form = response.content.data;
        this.open = true;
        this.title = "修改供求信息二级种类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.typeId != null) {
            updateTypes(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTypes(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const typeIds = row.typeId || this.ids;
      this.$modal.confirm('是否确认删除供求信息二级种类编号为"' + typeIds + '"的数据项？').then(function() {
        return delTypes(typeIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
      //改变页码      
    handleCurrentChange(val) {
      this.queryParams.pageNum = val
      this.getList()
    }
  }
};
</script>

</script>
<style rel="stylesheet/scss" lang="scss" scoped>
 .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: #889aa4;
    cursor: pointer;
    user-select: none;
  }
</style>